Yrjö Kaukiainen, A History of Finnish Shipping (Maritime History, series editor Lewis R. Fischer, London, Routledge, 1993). 231 pp. ISBN 0–415–00158–7.Yrjö Kaukiainen, Sailing into Twilight. Finnish Shipping in an Age of Transport Revolution, 1860–1914. (Studia historica 39, Helsinki, Finnish Historical Society, 1991). 429 pp. ISBN 951–8915–41–5, ISSN 0081–6493.